How much milk would you thaw?

H • •🌈💙12/18, 💙11/19, 🌈💗11/21, 💙5/23•💍03/13•

How much milk would you thaw for 6 week old if you’ll be away for 5-6 hours ? Need help ! Is 12 oz enough ? My husband will have her home but trying to make sure to thaw some to make it easier on him.